EP1900942A1 - Pompe à vide de type diaphragme - Google Patents
Pompe à vide de type diaphragme Download PDFInfo
- Publication number
- EP1900942A1 EP1900942A1 EP07116000A EP07116000A EP1900942A1 EP 1900942 A1 EP1900942 A1 EP 1900942A1 EP 07116000 A EP07116000 A EP 07116000A EP 07116000 A EP07116000 A EP 07116000A EP 1900942 A1 EP1900942 A1 EP 1900942A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diaphragm
- vacuum pump
- rolling plate
- type vacuum
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
Definitions
- the present invention relates to a diaphragm type vacuum pump, and in particular, to the structure of a vacuum pump that is compact in size and can be manufactured at low cost without using lubricant by using a small electric motor and a diaphragm type pump.
- Vacuum pumps are widely used to reduce the internal pressure of a container and various types of vacuum pumps, depending on the use, have been known in the art.
- a vacuum pump that is used to reduce the internal pressure of an electric rice cooker to satisfy various conditions, such as, it should be a dry type without lubricant, manufactured to have a compact and small-sized configuration and disposed in a case of the electric rice cooker, and the manufacturing cost is low.
- a vacuum pump in which a connecting rod is reciprocated by rotation of an eccentric shaft.
- a diaphragm is actuated by the reciprocation of the connecting rod to repeat intake and exhaust, and a vacuum pump includes a diaphragm that is reciprocated by a vacuum pump to repeat intake and exhaust.
- a diaphragm type vacuum pump includes: a pin that is radially spaced from the rotational center of a motor and inclined to the rotational center, a rolling plate that is combined with the pin, a three-point diaphragm that is combined with the rolling plate, and intake and exhaust valves.
- the rolling plate shakes up and down while being inclined by the inclination angle of the pin, the three-point diaphragm is repeatedly moved up and down by the shaking, and intake and exhaust of air are repeated by changes in the internal volume due to the motion of the three-point diaphragm, thereby forming a vacuum.
- FIG. 1 is a perspective view of a diaphragm type vacuum pump according to an embodiment of the invention
- FIG. 2 is an exploded perspective view of FIG. 1
- FIG. 3A is a perspective view of an air port with guide rings connected according to an embodiment of the invention
- FIG. 3B is a bottom view of the air port
- FIG. 3C is a perspective view of the guide ring
- FIG. 4 is a conceptional view illustrating an intake process a and an exhaust process b in the operation according to an embodiment of the invention.
- a vacuum pump is formed by sequentially assembling a motor 1, a housing 2, a diaphragm guide 3, an air port 4, a cover 5, screws 6, and bolts 7, and a fixture 8 that is connected to the shaft of the motor 1 is provided in the housing 2.
- a three-point diaphragm 10 that is combined with a rolling plate 9 is provided in the diaphragm guide 3, and intake valves 11 and guide rings 12 are combined with the air port 4.
- An inclined pin 13 that is inclined to the rotational center is fixed at a predetermined distance from the rotational center in the fixture 8 connected to the shaft of the motor 1.
- the inclined pin 13 is inserted in an insertion hole formed at the center of the rolling plate 9 and makes the rolling plate 9 eccentrically shake up and down by turning around the rotational center by rotation of the fixture 8.
- the three-point diaphragm 10 When the rolling plate 9 is perpendicular to the rotational center, the three-point diaphragm 10 is compressed, and when the rolling plate 9 is inclined from the rotational center, the three-point diaphragm 10 is decompressed.
- the inside air pushes an exhaust valve 15 through exhaust passages 14 formed at a side of the insertion wall of the guide ring 12 and is then exhausted out of an exhaust port 17 through an exhaust hole 16.
- the air that flows through an intake port 18 formed at the cover 5 flows along grooves 19 formed on the upper surface of the air port 4 into the three-point diaphragm 10 through the intake valves 11.
- the three-point diaphragm 10, the intake valves 11, and the exhaust valve 15 are formed of a flexible material, such that they can be easily deformed by external force, and the three-point diaphragm 10 and exhaust valve 15 are integrally formed.
- the guide ring 12 is fixed in an insert groove 21 formed on the bottom of the air port 4 such that the exhaust passage 14 formed through the insertion wall faces the exhaust hole 16 and contacts the exhaust valve 15 extending from the three-point diaphragm 10 to the outside of the exhaust passage 14. Therefore, the exhaust valve 15 is closed by contacting the exhaust passage 14 in the intake process and pushed by the pressure of air in the exhaust process to exhaust the air.
- the guide ring 12 prevents the outer wall of the three-point diaphragm 10 from deforming inside by negative pressure in the intake process by strongly pressing the outside of the three-point diaphragm 10 against the wall of the diaphragm guide 3.
- a boss 20 that contacts to the center of the rolling plate 9 that eccentrically shakes under the diaphragm guide 3 is provided; therefore, it is possible to prevent the rolling plate from being sucked up in the intake process of the three-point diaphragm 10.
- the present invention provides a vacuum pump equipped with a diaphragm that is manufactured at low cost and effectively operates in a compact size.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2006087250 | 2006-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1900942A1 true EP1900942A1 (fr) | 2008-03-19 |
EP1900942B1 EP1900942B1 (fr) | 2009-03-11 |
Family
ID=38721127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07116000A Not-in-force EP1900942B1 (fr) | 2006-09-11 | 2007-09-10 | Pompe à vide de type diaphragme |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1900942B1 (fr) |
AT (1) | ATE425362T1 (fr) |
DE (1) | DE602007000678D1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107752751A (zh) * | 2016-08-19 | 2018-03-06 | 佛山市顺德区美的电热电器制造有限公司 | 电烹饪装置 |
CN108324142A (zh) * | 2018-05-10 | 2018-07-27 | 莱克电气股份有限公司 | 手动旋转的真空破壁机管架装置 |
CN110856594A (zh) * | 2018-08-24 | 2020-03-03 | 佛山市顺德区美的电热电器制造有限公司 | 烹饪器具以及烹饪器具的烹饪控制方法 |
DE102015113724B4 (de) | 2015-08-19 | 2021-09-30 | Kongsberg Automotive Ab | Membranpumpe |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3718967A1 (de) * | 1986-06-09 | 1987-12-10 | Oken Seiko Kk | Pumpe |
JPH05154039A (ja) * | 1991-12-10 | 1993-06-22 | Sharp Corp | 保温釜 |
US5235903A (en) * | 1992-03-17 | 1993-08-17 | Tippmann Eugene R | Subatmospheric pressure cook-and-hold steaming oven |
JPH06147128A (ja) * | 1992-11-05 | 1994-05-27 | Ouken Seiko Kk | ダイヤフラムポンプ |
EP0767255A1 (fr) * | 1995-03-16 | 1997-04-09 | Matsushita Electric Industrial Co., Ltd. | Pompe pneumatique permselective aux gaz et incubateur l'utilisant |
EP0933528A2 (fr) * | 1998-02-02 | 1999-08-04 | Ohken Seiko Co., Ltd. | Pompe |
EP1308622A2 (fr) * | 2001-11-06 | 2003-05-07 | Oken Seiko Co., Ltd. | Pompe à membrane |
-
2007
- 2007-09-10 EP EP07116000A patent/EP1900942B1/fr not_active Not-in-force
- 2007-09-10 DE DE602007000678T patent/DE602007000678D1/de not_active Expired - Fee Related
- 2007-09-10 AT AT07116000T patent/ATE425362T1/de not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3718967A1 (de) * | 1986-06-09 | 1987-12-10 | Oken Seiko Kk | Pumpe |
JPH05154039A (ja) * | 1991-12-10 | 1993-06-22 | Sharp Corp | 保温釜 |
US5235903A (en) * | 1992-03-17 | 1993-08-17 | Tippmann Eugene R | Subatmospheric pressure cook-and-hold steaming oven |
JPH06147128A (ja) * | 1992-11-05 | 1994-05-27 | Ouken Seiko Kk | ダイヤフラムポンプ |
EP0767255A1 (fr) * | 1995-03-16 | 1997-04-09 | Matsushita Electric Industrial Co., Ltd. | Pompe pneumatique permselective aux gaz et incubateur l'utilisant |
EP0933528A2 (fr) * | 1998-02-02 | 1999-08-04 | Ohken Seiko Co., Ltd. | Pompe |
EP1308622A2 (fr) * | 2001-11-06 | 2003-05-07 | Oken Seiko Co., Ltd. | Pompe à membrane |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015113724B4 (de) | 2015-08-19 | 2021-09-30 | Kongsberg Automotive Ab | Membranpumpe |
CN107752751A (zh) * | 2016-08-19 | 2018-03-06 | 佛山市顺德区美的电热电器制造有限公司 | 电烹饪装置 |
CN107752751B (zh) * | 2016-08-19 | 2022-02-25 | 佛山市顺德区美的电热电器制造有限公司 | 电烹饪装置 |
CN108324142A (zh) * | 2018-05-10 | 2018-07-27 | 莱克电气股份有限公司 | 手动旋转的真空破壁机管架装置 |
CN108324142B (zh) * | 2018-05-10 | 2023-07-25 | 莱克电气股份有限公司 | 手动旋转的真空破壁机管架装置 |
CN110856594A (zh) * | 2018-08-24 | 2020-03-03 | 佛山市顺德区美的电热电器制造有限公司 | 烹饪器具以及烹饪器具的烹饪控制方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1900942B1 (fr) | 2009-03-11 |
ATE425362T1 (de) | 2009-03-15 |
DE602007000678D1 (de) | 2009-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20080060515A1 (en) | Diaphragm-type vacuum pump | |
JP2002266755A (ja) | 往復動式圧縮機 | |
EP1900942B1 (fr) | Pompe à vide de type diaphragme | |
JP2019526749A (ja) | 吸入脈動低減装置およびそれを含む斜板式圧縮機 | |
EP1717447A3 (fr) | Compresseur rotatif à palette | |
EP3343035A1 (fr) | Compresseur à mouvement alternatif | |
US7338268B2 (en) | Discharge valve device of a compressor | |
CN210196011U (zh) | 一种泵体组件、压缩机及制冷设备 | |
KR100404109B1 (ko) | 리니어 압축기 | |
JP6627987B2 (ja) | ロータリ圧縮機 | |
EP1553293A3 (fr) | Isolation contre la chaleur dans un compresseur à pistons | |
JP2004360644A (ja) | スクロール型流体機械 | |
CN218991806U (zh) | 微型电磁气泵 | |
CN219012796U (zh) | 高效真空泵 | |
KR200337978Y1 (ko) | 공기펌프 | |
CN213928690U (zh) | 一种往复式压缩机 | |
KR101191049B1 (ko) | 진공펌프 | |
KR200204767Y1 (ko) | 공기 펌프장치 | |
KR19980034708A (ko) | 압축기용 밸브 어셈블리 | |
KR100743838B1 (ko) | 고 탄성 재질의 환형구조로 된 압축판을 가진 펌프 | |
KR101857757B1 (ko) | 압축기 및 이를 제조하는 방법 | |
JP3921803B2 (ja) | 電動圧縮機 | |
CN115387981A (zh) | 高效真空泵 | |
KR200163924Y1 (ko) | 압축기의 밸브구조 | |
KR100556943B1 (ko) | 밀폐형 회전식 압축기의 편심피스톤장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK YU |
|
17P | Request for examination filed |
Effective date: 20080403 |
|
17Q | First examination report despatched |
Effective date: 20080605 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 602007000678 Country of ref document: DE Date of ref document: 20090423 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090611 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090622 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090824 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090711 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090611 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
26N | No opposition filed |
Effective date: 20091214 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090930 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20100531 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090910 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090930 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100401 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090612 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090910 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090912 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090311 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20110910 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110930 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110910 |